@misc{indiciae4cd03a1dea52,
  title = {Flood-prone areas in the Russian River drainage basin, Sonoma County, California, including Sebastopol, Santa Rosa, and Two Rock 7 1/2-minute quadrangles},
  author = {U. S. Geological Survey},
  year = {1971},
  doi = {10.3133/70210294},
  url = {https://pubs.usgs.gov/publication/70210294},
  note = {Source identifier: 70210294}
}